They fired tear gas to clear the area.

\"PHOTO:
Charlie Riedel/AP Photo
PHOTO: Police wait to advance after tear gas was used to disperse a crowd in Ferguson, Mo., Aug. 17, 2014.
>

Some people sprinted away from the gas.

\"PHOTO:
Charlie Riedel/AP Photo
PHOTO: People run after police fired tear gas in Ferguson, Mo., Aug. 17, 2014.
>

Some protesters stood their ground, however, holding up signs as smoke surrounded them.

\"PHOTO:
Charlie Riedel/AP Photo
PHOTO: A protester stands in the street after police fired tear gas to disperse a crowd in Ferguson, Mo., Aug. 17, 2014.
>

Sunday’s clashes come as a preliminary private autopsy shows Brown was shot at least six times, including twice in the head.

One of the bullets entered the top of Brown’s skull, meaning his head was bent forward, ABC News has confirmed. Brown was also shot four times in the right arm, the autopsy found.

\"PHOTO:
Handout Image
PHOTO: A diagram from a private autopsy, released Aug. 17, 2014, shows where Michael Brown, 18, was shot.
>

The autopsy was performed Sunday at the request of Brown’s family.

Meanwhile, U.S. Attorney General Eric Holder ordered a federal medical examiner to perform a separate autopsy because of the circumstances surrounding the shooting.

The St. Louis County Medical Examiner's office has also conducted an autopsy which concluded that Brown died from gunshot wounds to the head and chest.

Schools in the Ferguson-Florissant School district will remain closed today because of lingering unrest in the area.

Get real-time updates as this story unfolds. To start, just \"star\" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.

","canonicalUrl":"https://abcnews.com/US/obama-appears-wary-national-guard-ferguson/story?id=25017936","legacySlug":"/news/story/obama-appears-wary-national-guard-ferguson-25017936","noIndexNoFollow":false},"publishTime":"21:16","publishDate":"08-18-2014","updatedTime":"01:25","updatedDate":"08-19-2014","socialImage":{"alt":"Police wait to advance after using tear gear to disperse a crowd in Ferguson, Mo., Aug. 17, 2014.","credit":"Charlie Riedel/AP Photo","ratio":"16x9","url":"https://s.abcnews.com/images/US/AP_FERGUSON5_140818_DG_16x9_1600.jpg","width":992,"height":558},"datePublished":"8/18/2014 21:16:00 GMT","video":{"live":false,"id":25017936,"headline":"AC","mediaAssetTitle":"GOOD_FERGUSON_MAINBAR_140818","description":"Obama calls for justice in Ferguson as grand jury could hear evidence Wednesday.","duration":"2:25","posterImg":{"url":"https://s.abcnews.com/images/GMA/default-img-undefined.png","width":608,"height":342},"video":{"feed":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/i/abcnews/2014/08/140818_gma_osunsami_701_,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8"},"playlist":["24992945","24984573","24994366"]},"relatedItems":[{"contentType":"story","date":"August 15, 2014","headline":"Police Release Name of Officer in Fatal Ferguson Shooting","section":"news","slug":"/news/story/ferguson-police-officer-darren-wilson-revealed-missouri-fatal-24992945","id":24992945,"image":{"alt":"Police Release Name of Officer in Fatal Ferguson Shooting","url":"https://s.abcnews.com/images/US/AP_michael_brown_1_sk_140813_4x3t_240.jpg","credit":"Brown Family/AP Photo","ratio":"1x1"}},{"contentType":"story","date":"August 14, 2014","headline":"Howard Students 'Surrender' in Solidarity With Michael Brown","section":"news","slug":"/news/story/howard-students-hold-hands-solidarity-michael-brown-24984573","id":24984573,"image":{"alt":"Howard Students 'Surrender' in Solidarity With Michael Brown","url":"https://s.abcnews.com/images/US/ht_howard_Ikenna_Ikeotuonye_kb_140814_4x3t_240.jpg","credit":"Ikenna Ikeotuonye","ratio":"1x1"}},{"contentType":"story","date":"August 15, 2014","headline":"Public Reacts With Skepticism to Ferguson Police Announcement","section":"news","slug":"/news/story/public-reacts-skepticism-ferguson-police-announcement-officer-involved-24994366","id":24994366,"image":{"alt":"Public Reacts With Skepticism to Ferguson Police Announcement","url":"https://s.abcnews.com/images/US/AP_Ferguson_Police_Chief_Thomas_Jackson1_ml_140815_4x3t_240.jpg","credit":"Jeff Roberson/AP Photo","ratio":"1x1"}}],"relatedContentSection":"news","schemaContent":{"name":"AC","description":"Obama calls for justice in Ferguson as grand jury could hear evidence Wednesday.","duration":"2:25","uploadDate":"08-18-2014","publication":"08-18-2014","images":"https://s.abcnews.com/images/GMA/default-img-undefined.png","url":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/i/abcnews/2014/08/140818_gma_osunsami_701_,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","contentUrl":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/i/abcnews/2014/08/140818_gma_osunsami_701_,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","link":"https://www.goodmorningamerica.com/news/story/obama-appears-wary-national-guard-ferguson-25017936"}},"playlist":[{"id":"132510121","contentType":"story","section":"news"},{"id":"132473181","contentType":"story","section":"news"},{"id":"132497933","contentType":"story","section":"news"},{"id":"132281378","contentType":"story","section":"news"},{"id":"132283010","contentType":"story","section":"news"},{"id":"132273278","contentType":"story","section":"news"},{"id":"132231169","contentType":"story","section":"news"},{"id":"132206748","contentType":"story","section":"news"},{"id":"132200241","contentType":"story","section":"news"},{"id":"132054443","contentType":"story","section":"news"},{"id":"132054798","contentType":"story","section":"news"},{"id":"132033010","contentType":"story","section":"news"},{"id":"131912713","contentType":"story","section":"news"},{"id":"131830583","contentType":"story","section":"news"},{"id":"131834976","contentType":"story","section":"news"},{"id":"131554765","contentType":"story","section":"news"},{"id":"131554815","contentType":"story","section":"news"},{"id":"131543053","contentType":"story","section":"news"},{"id":"131432442","contentType":"story","section":"news"},{"id":"131121474","contentType":"story","section":"news"}],"kvps":{"pgtyp":"article","lang":"en","sp":"goodmorningamerica","programmatic":"true","bundleId":"com.abcnews"}},"analytics":{"accountID":"wdgnewwdgnewgmaweb","ns":"gma","pageName":"gma:news:video","pageType":"video","globalSpecVersion":"v1.08","siteDifferentiator":"gma:site","tagID":"g_page01","userABCookie":"0","section":"news","title":"AC","pubTime":"17:16","pubDate":"08-18-2014","modTime":"21:25","modDate":"08-18-2014","taxonomyTags":"none","id":25017936,"editorialOtherSubjects":"","wordCount":"none","columns":"none","authors":"","authorsUnit":"none","authorsBureau":"none","subBrand":"Good Morning America","provider":"Good Morning America","videoName":"AC","mediaAssetTitle":"GOOD_FERGUSON_MAINBAR_140818","videoId":25017936,"mediaOnPage":"video","legacySlug":"/news/story/obama-appears-wary-national-guard-ferguson-25017936"},"taboola":{}},"request":{"headers":{},"httpVersion":"1.1","method":"GET","url":"/video/25017936","vary":{"host":"www.goodmorningamerica.com","cached":true,"path":"/video/25017936","forwarded-proto":"https","device":"desktop","userab":"0"}},"viewport":{"width":1260,"height":0},"user":{}};